lupus, malus, mi-russe, microbus, minibus, minus, mirus, mordicus, mortibus, motus, mourussent, mucus, musse, mussent, médius, naevus, nimbo-stratus, nimbostratus, nimbus, nodus, nucléus, numerus clausus, négus, néo-russe, oculus, olibrius, omnibus, opus, oribus, orémus, pagus, pandanus, papillomavirus, papyrus, parussent, phallus, plexus, plusse, processus, prolapsus, prospectus, proteus, protococcus, prunus, prépuce, prépuces, puce, puces, pusse, pussent, pusses, pédibus, quibus, quitus, radius, rasibus, reconnusse, reconnussent, rhizopus, rictus, risorius, russe, russes, rébus, rétrovirus, sanctus, sinus, sixtus, socius, solidus, spruce, status, stimulus, stradivarius, stratus, suce, sucent, suces, sus, susse, sussent, syllabus, terminus, thalamus, thesaurus, thymus, thésaurus, tonus, tophus, tractus, trismus, trolleybus, tumulus, tussent, typhus, ultravirus, urus, utérus, valgus, versus...